snakekeylogger | 4d4be5a0fb152cb0f795f6ce36b1b3e4e69234681e36c41f3760858b4d38aa31

General

Target

Bank Swift.exe
Size

830KB
MD5

aacbef36fa202e5eb1512c99022ef31c
SHA1

97a12e69a35a037f34bbd4b4d779326bdb99ac7e
SHA256

4d4be5a0fb152cb0f795f6ce36b1b3e4e69234681e36c41f3760858b4d38aa31
SHA512

5648dbe1a6c3f6aef53b1c14ba50b3837c2671a00934a0c3049d31711b6e61f972b2d7b1b3531ea6db671e0a22ec208759e1aa0547ce5cf4e906a201756dc84a
SSDEEP

24576:Cw/HDtU376CVtv1ekon6imVSE/HHkFg/IyXtrpc:o3tv1jftfkoXVp

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/984-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/984-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/984-68-0x00000000004202EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/984-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/984-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/984-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Bank Swift.exe

description pid process target process

PID 1192 set thread context of 984 1192 Bank Swift.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1764 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Bank Swift.exeRegSvcs.exe

pid process

1192 Bank Swift.exe
984 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bank Swift.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1192 Bank Swift.exe
Token: SeDebugPrivilege 984 RegSvcs.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1192 set thread context of 984	1192	Bank Swift.exe	RegSvcs.exe

pid	process
1764	schtasks.exe

pid	process
1192	Bank Swift.exe
984	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1192	Bank Swift.exe
Token: SeDebugPrivilege	984	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Bank Swift.exe

description	pid	process	target process
PID 1192 wrote to memory of 1764	1192	Bank Swift.exe	schtasks.exe
PID 1192 wrote to memory of 1764	1192	Bank Swift.exe	schtasks.exe
PID 1192 wrote to memory of 1764	1192	Bank Swift.exe	schtasks.exe
PID 1192 wrote to memory of 1764	1192	Bank Swift.exe	schtasks.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe
PID 1192 wrote to memory of 984	1192	Bank Swift.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUVcgRH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2453.tmp"
2⤵
- Creates scheduled task(s)
PID:1764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2453.tmp

Filesize
1KB

MD5
33e951410efc26a87e4c9e6275b154b5

SHA1
cc72f6faf971d1156b6dcd1bac1ca790fe2b0e98

SHA256
ed1bea773ce9b968c36416b71f96273769f6953f8d124f2cba09757c363a8eef

SHA512
f48155ff5d948cd32c9e98d9cc57518e5ce17eda48e3c579149ce7a55d752b7e8c0bfbaba418275611582b793170d3b80726d6ecb35e92f282703d203106938f

Download Submit
memory/984-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-68-0x00000000004202EE-mapping.dmp

Download
memory/984-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/984-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1192-54-0x0000000000050000-0x0000000000124000-memory.dmp

Filesize
848KB

Download
memory/1192-55-0x0000000076701000-0x0000000076703000-memory.dmp

Filesize
8KB

Download
memory/1192-56-0x0000000001E40000-0x0000000001E52000-memory.dmp

Filesize
72KB

Download
memory/1192-58-0x0000000004930000-0x0000000004956000-memory.dmp

Filesize
152KB

Download
memory/1192-57-0x00000000046C0000-0x0000000004734000-memory.dmp

Filesize
464KB

Download
memory/1764-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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